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1 | #!/bin/sh | |
2 | ||
3 | test_description='core.whitespace rules and git apply' | |
4 | ||
5 | . ./test-lib.sh | |
6 | ||
7 | prepare_test_file () { | |
8 | ||
9 | # A line that has character X is touched iff RULE is in effect: | |
10 | # X RULE | |
11 | # ! trailing-space | |
12 | # @ space-before-tab | |
13 | # # indent-with-non-tab (default tab width 8) | |
14 | # = indent-with-non-tab,tabwidth=16 | |
15 | # % tab-in-indent | |
16 | sed -e "s/_/ /g" -e "s/>/ /" <<-\EOF | |
17 | An_SP in an ordinary line>and a HT. | |
18 | >A HT (%). | |
19 | _>A SP and a HT (@%). | |
20 | _>_A SP, a HT and a SP (@%). | |
21 | _______Seven SP. | |
22 | ________Eight SP (#). | |
23 | _______>Seven SP and a HT (@%). | |
24 | ________>Eight SP and a HT (@#%). | |
25 | _______>_Seven SP, a HT and a SP (@%). | |
26 | ________>_Eight SP, a HT and a SP (@#%). | |
27 | _______________Fifteen SP (#). | |
28 | _______________>Fifteen SP and a HT (@#%). | |
29 | ________________Sixteen SP (#=). | |
30 | ________________>Sixteen SP and a HT (@#%=). | |
31 | _____a__Five SP, a non WS, two SP. | |
32 | A line with a (!) trailing SP_ | |
33 | A line with a (!) trailing HT> | |
34 | EOF | |
35 | } | |
36 | ||
37 | apply_patch () { | |
38 | cmd_prefix= && | |
39 | if test "x$1" = 'x!' | |
40 | then | |
41 | cmd_prefix=test_must_fail && | |
42 | shift | |
43 | fi && | |
44 | >target && | |
45 | sed -e "s|\([ab]\)/file|\1/target|" <patch | | |
46 | $cmd_prefix git apply "$@" | |
47 | } | |
48 | ||
49 | test_fix () { | |
50 | # fix should not barf | |
51 | apply_patch --whitespace=fix || return 1 | |
52 | ||
53 | # find touched lines | |
54 | $DIFF file target | sed -n -e "s/^> //p" >fixed | |
55 | # busybox's diff(1) doesn't output normal format | |
56 | if ! test -s fixed | |
57 | then | |
58 | $DIFF -u file target | | |
59 | grep -v '^+++ target' | | |
60 | sed -ne "/^+/s/+//p" >fixed | |
61 | fi | |
62 | ||
63 | # the changed lines are all expected to change | |
64 | fixed_cnt=$(wc -l <fixed) | |
65 | case "$1" in | |
66 | '') expect_cnt=$fixed_cnt ;; | |
67 | ?*) expect_cnt=$(grep "[$1]" <fixed | wc -l) ;; | |
68 | esac | |
69 | test $fixed_cnt -eq $expect_cnt || return 1 | |
70 | ||
71 | # and we are not missing anything | |
72 | case "$1" in | |
73 | '') expect_cnt=0 ;; | |
74 | ?*) expect_cnt=$(grep "[$1]" <file | wc -l) ;; | |
75 | esac | |
76 | test $fixed_cnt -eq $expect_cnt || return 1 | |
77 | ||
78 | # Get the patch actually applied | |
79 | git diff-files -p target >fixed-patch | |
80 | test -s fixed-patch && return 0 | |
81 | ||
82 | # Make sure it is complaint-free | |
83 | >target | |
84 | git apply --whitespace=error-all <fixed-patch | |
85 | ||
86 | } | |
87 | ||
88 | test_expect_success setup ' | |
89 | ||
90 | >file && | |
91 | git add file && | |
92 | prepare_test_file >file && | |
93 | git diff-files -p >patch && | |
94 | >target && | |
95 | git add target | |
96 | ||
97 | ' | |
98 | ||
99 | test_expect_success 'whitespace=nowarn, default rule' ' | |
100 | ||
101 | apply_patch --whitespace=nowarn && | |
102 | test_cmp file target | |
103 | ||
104 | ' | |
105 | ||
106 | test_expect_success 'whitespace=warn, default rule' ' | |
107 | ||
108 | apply_patch --whitespace=warn && | |
109 | test_cmp file target | |
110 | ||
111 | ' | |
112 | ||
113 | test_expect_success 'whitespace=error-all, default rule' ' | |
114 | ||
115 | apply_patch ! --whitespace=error-all && | |
116 | test_must_be_empty target | |
117 | ||
118 | ' | |
119 | ||
120 | test_expect_success 'whitespace=error-all, no rule' ' | |
121 | ||
122 | git config core.whitespace -trailing,-space-before,-indent && | |
123 | apply_patch --whitespace=error-all && | |
124 | test_cmp file target | |
125 | ||
126 | ' | |
127 | ||
128 | test_expect_success 'whitespace=error-all, no rule (attribute)' ' | |
129 | ||
130 | git config --unset core.whitespace && | |
131 | echo "target -whitespace" >.gitattributes && | |
132 | apply_patch --whitespace=error-all && | |
133 | test_cmp file target | |
134 | ||
135 | ' | |
136 | ||
137 | test_expect_success 'spaces inserted by tab-in-indent' ' | |
138 | ||
139 | git config core.whitespace -trailing,-space,-indent,tab && | |
140 | rm -f .gitattributes && | |
141 | test_fix % && | |
142 | sed -e "s/_/ /g" -e "s/>/ /" <<-\EOF >expect && | |
143 | An_SP in an ordinary line>and a HT. | |
144 | ________A HT (%). | |
145 | ________A SP and a HT (@%). | |
146 | _________A SP, a HT and a SP (@%). | |
147 | _______Seven SP. | |
148 | ________Eight SP (#). | |
149 | ________Seven SP and a HT (@%). | |
150 | ________________Eight SP and a HT (@#%). | |
151 | _________Seven SP, a HT and a SP (@%). | |
152 | _________________Eight SP, a HT and a SP (@#%). | |
153 | _______________Fifteen SP (#). | |
154 | ________________Fifteen SP and a HT (@#%). | |
155 | ________________Sixteen SP (#=). | |
156 | ________________________Sixteen SP and a HT (@#%=). | |
157 | _____a__Five SP, a non WS, two SP. | |
158 | A line with a (!) trailing SP_ | |
159 | A line with a (!) trailing HT> | |
160 | EOF | |
161 | test_cmp expect target | |
162 | ||
163 | ' | |
164 | ||
165 | for t in - '' | |
166 | do | |
167 | case "$t" in '') tt='!' ;; *) tt= ;; esac | |
168 | for s in - '' | |
169 | do | |
170 | case "$s" in '') ts='@' ;; *) ts= ;; esac | |
171 | for i in - '' | |
172 | do | |
173 | case "$i" in '') ti='#' ti16='=';; *) ti= ti16= ;; esac | |
174 | for h in - '' | |
175 | do | |
176 | [ -z "$h$i" ] && continue | |
177 | case "$h" in '') th='%' ;; *) th= ;; esac | |
178 | rule=${t}trailing,${s}space,${i}indent,${h}tab | |
179 | ||
180 | rm -f .gitattributes | |
181 | test_expect_success "rule=$rule" ' | |
182 | git config core.whitespace "$rule" && | |
183 | test_fix "$tt$ts$ti$th" | |
184 | ' | |
185 | ||
186 | test_expect_success "rule=$rule,tabwidth=16" ' | |
187 | git config core.whitespace "$rule,tabwidth=16" && | |
188 | test_fix "$tt$ts$ti16$th" | |
189 | ' | |
190 | ||
191 | test_expect_success "rule=$rule (attributes)" ' | |
192 | git config --unset core.whitespace && | |
193 | echo "target whitespace=$rule" >.gitattributes && | |
194 | test_fix "$tt$ts$ti$th" | |
195 | ' | |
196 | ||
197 | test_expect_success "rule=$rule,tabwidth=16 (attributes)" ' | |
198 | echo "target whitespace=$rule,tabwidth=16" >.gitattributes && | |
199 | test_fix "$tt$ts$ti16$th" | |
200 | ' | |
201 | ||
202 | done | |
203 | done | |
204 | done | |
205 | done | |
206 | ||
207 | create_patch () { | |
208 | sed -e "s/_/ /" <<-\EOF | |
209 | diff --git a/target b/target | |
210 | index e69de29..8bd6648 100644 | |
211 | --- a/target | |
212 | +++ b/target | |
213 | @@ -0,0 +1,3 @@ | |
214 | +An empty line follows | |
215 | + | |
216 | +A line with trailing whitespace and no newline_ | |
217 | \ No newline at end of file | |
218 | EOF | |
219 | } | |
220 | ||
221 | test_expect_success 'trailing whitespace & no newline at the end of file' ' | |
222 | >target && | |
223 | create_patch >patch-file && | |
224 | git apply --whitespace=fix patch-file && | |
225 | grep "newline$" target && | |
226 | grep "^$" target | |
227 | ' | |
228 | ||
229 | test_expect_success 'blank at EOF with --whitespace=fix (1)' ' | |
230 | test_might_fail git config --unset core.whitespace && | |
231 | rm -f .gitattributes && | |
232 | ||
233 | { echo a; echo b; echo c; } >one && | |
234 | git add one && | |
235 | { echo a; echo b; echo c; } >expect && | |
236 | { cat expect; echo; } >one && | |
237 | git diff -- one >patch && | |
238 | ||
239 | git checkout one && | |
240 | git apply --whitespace=fix patch && | |
241 | test_cmp expect one | |
242 | ' | |
243 | ||
244 | test_expect_success 'blank at EOF with --whitespace=fix (2)' ' | |
245 | { echo a; echo b; echo c; } >one && | |
246 | git add one && | |
247 | { echo a; echo c; } >expect && | |
248 | { cat expect; echo; echo; } >one && | |
249 | git diff -- one >patch && | |
250 | ||
251 | git checkout one && | |
252 | git apply --whitespace=fix patch && | |
253 | test_cmp expect one | |
254 | ' | |
255 | ||
256 | test_expect_success 'blank at EOF with --whitespace=fix (3)' ' | |
257 | { echo a; echo b; echo; } >one && | |
258 | git add one && | |
259 | { echo a; echo c; echo; } >expect && | |
260 | { cat expect; echo; echo; } >one && | |
261 | git diff -- one >patch && | |
262 | ||
263 | git checkout one && | |
264 | git apply --whitespace=fix patch && | |
265 | test_cmp expect one | |
266 | ' | |
267 | ||
268 | test_expect_success 'blank at end of hunk, not at EOF with --whitespace=fix' ' | |
269 | { echo a; echo b; echo; echo; echo; echo; echo; echo d; } >one && | |
270 | git add one && | |
271 | { echo a; echo c; echo; echo; echo; echo; echo; echo; echo d; } >expect && | |
272 | cp expect one && | |
273 | git diff -- one >patch && | |
274 | ||
275 | git checkout one && | |
276 | git apply --whitespace=fix patch && | |
277 | test_cmp expect one | |
278 | ' | |
279 | ||
280 | test_expect_success 'blank at EOF with --whitespace=warn' ' | |
281 | { echo a; echo b; echo c; } >one && | |
282 | git add one && | |
283 | echo >>one && | |
284 | cat one >expect && | |
285 | git diff -- one >patch && | |
286 | ||
287 | git checkout one && | |
288 | git apply --whitespace=warn patch 2>error && | |
289 | test_cmp expect one && | |
290 | grep "new blank line at EOF" error | |
291 | ' | |
292 | ||
293 | test_expect_success 'blank at EOF with --whitespace=error' ' | |
294 | { echo a; echo b; echo c; } >one && | |
295 | git add one && | |
296 | cat one >expect && | |
297 | echo >>one && | |
298 | git diff -- one >patch && | |
299 | ||
300 | git checkout one && | |
301 | test_must_fail git apply --whitespace=error patch 2>error && | |
302 | test_cmp expect one && | |
303 | grep "new blank line at EOF" error | |
304 | ' | |
305 | ||
306 | test_expect_success 'blank but not empty at EOF' ' | |
307 | { echo a; echo b; echo c; } >one && | |
308 | git add one && | |
309 | echo " " >>one && | |
310 | cat one >expect && | |
311 | git diff -- one >patch && | |
312 | ||
313 | git checkout one && | |
314 | git apply --whitespace=warn patch 2>error && | |
315 | test_cmp expect one && | |
316 | grep "new blank line at EOF" error | |
317 | ' | |
318 | ||
319 | test_expect_success 'applying beyond EOF requires one non-blank context line' ' | |
320 | { echo; echo; echo; echo; } >one && | |
321 | git add one && | |
322 | { echo b; } >>one && | |
323 | git diff -- one >patch && | |
324 | ||
325 | git checkout one && | |
326 | { echo a; echo; } >one && | |
327 | cp one expect && | |
328 | test_must_fail git apply --whitespace=fix patch && | |
329 | test_cmp expect one && | |
330 | test_must_fail git apply --ignore-space-change --whitespace=fix patch && | |
331 | test_cmp expect one | |
332 | ' | |
333 | ||
334 | test_expect_success 'tons of blanks at EOF should not apply' ' | |
335 | for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do | |
336 | echo; echo; echo; echo; | |
337 | done >one && | |
338 | git add one && | |
339 | echo a >>one && | |
340 | git diff -- one >patch && | |
341 | ||
342 | >one && | |
343 | test_must_fail git apply --whitespace=fix patch && | |
344 | test_must_fail git apply --ignore-space-change --whitespace=fix patch | |
345 | ' | |
346 | ||
347 | test_expect_success 'missing blank line at end with --whitespace=fix' ' | |
348 | echo a >one && | |
349 | echo >>one && | |
350 | git add one && | |
351 | echo b >>one && | |
352 | cp one expect && | |
353 | git diff -- one >patch && | |
354 | echo a >one && | |
355 | cp one saved-one && | |
356 | test_must_fail git apply patch && | |
357 | git apply --whitespace=fix patch && | |
358 | test_cmp expect one && | |
359 | mv saved-one one && | |
360 | git apply --ignore-space-change --whitespace=fix patch && | |
361 | test_cmp expect one | |
362 | ' | |
363 | ||
364 | test_expect_success 'two missing blank lines at end with --whitespace=fix' ' | |
365 | { echo a; echo; echo b; echo c; } >one && | |
366 | cp one no-blank-lines && | |
367 | { echo; echo; } >>one && | |
368 | git add one && | |
369 | echo d >>one && | |
370 | cp one expect && | |
371 | echo >>one && | |
372 | git diff -- one >patch && | |
373 | cp no-blank-lines one && | |
374 | test_must_fail git apply patch && | |
375 | git apply --whitespace=fix patch && | |
376 | test_cmp expect one && | |
377 | mv no-blank-lines one && | |
378 | test_must_fail git apply patch && | |
379 | git apply --ignore-space-change --whitespace=fix patch && | |
380 | test_cmp expect one | |
381 | ' | |
382 | ||
383 | test_expect_success 'missing blank line at end, insert before end, --whitespace=fix' ' | |
384 | { echo a; echo; } >one && | |
385 | git add one && | |
386 | { echo b; echo a; echo; } >one && | |
387 | cp one expect && | |
388 | git diff -- one >patch && | |
389 | echo a >one && | |
390 | test_must_fail git apply patch && | |
391 | git apply --whitespace=fix patch && | |
392 | test_cmp expect one | |
393 | ' | |
394 | ||
395 | test_expect_success 'shrink file with tons of missing blanks at end of file' ' | |
396 | { echo a; echo b; echo c; } >one && | |
397 | cp one no-blank-lines && | |
398 | for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do | |
399 | echo; echo; echo; echo; | |
400 | done >>one && | |
401 | git add one && | |
402 | echo a >one && | |
403 | cp one expect && | |
404 | git diff -- one >patch && | |
405 | cp no-blank-lines one && | |
406 | test_must_fail git apply patch && | |
407 | git apply --whitespace=fix patch && | |
408 | test_cmp expect one && | |
409 | mv no-blank-lines one && | |
410 | git apply --ignore-space-change --whitespace=fix patch && | |
411 | test_cmp expect one | |
412 | ' | |
413 | ||
414 | test_expect_success 'missing blanks at EOF must only match blank lines' ' | |
415 | { echo a; echo b; } >one && | |
416 | git add one && | |
417 | { echo c; echo d; } >>one && | |
418 | git diff -- one >patch && | |
419 | ||
420 | echo a >one && | |
421 | test_must_fail git apply patch && | |
422 | test_must_fail git apply --whitespace=fix patch && | |
423 | test_must_fail git apply --ignore-space-change --whitespace=fix patch | |
424 | ' | |
425 | ||
426 | sed -e's/Z//' >one <<EOF | |
427 | a | |
428 | b | |
429 | c | |
430 | Z | |
431 | EOF | |
432 | ||
433 | test_expect_success 'missing blank line should match context line with spaces' ' | |
434 | git add one && | |
435 | echo d >>one && | |
436 | git diff -- one >patch && | |
437 | { echo a; echo b; echo c; } >one && | |
438 | cp one expect && | |
439 | { echo; echo d; } >>expect && | |
440 | git add one && | |
441 | ||
442 | git apply --whitespace=fix patch && | |
443 | test_cmp expect one | |
444 | ' | |
445 | ||
446 | sed -e's/Z//' >one <<EOF | |
447 | a | |
448 | b | |
449 | c | |
450 | Z | |
451 | EOF | |
452 | ||
453 | test_expect_success 'same, but with the --ignore-space-option' ' | |
454 | git add one && | |
455 | echo d >>one && | |
456 | cp one expect && | |
457 | git diff -- one >patch && | |
458 | { echo a; echo b; echo c; } >one && | |
459 | git add one && | |
460 | ||
461 | git checkout-index -f one && | |
462 | git apply --ignore-space-change --whitespace=fix patch && | |
463 | test_cmp expect one | |
464 | ' | |
465 | ||
466 | test_expect_success 'same, but with CR-LF line endings && cr-at-eol set' ' | |
467 | git config core.whitespace cr-at-eol && | |
468 | printf "a\r\n" >one && | |
469 | printf "b\r\n" >>one && | |
470 | printf "c\r\n" >>one && | |
471 | cp one save-one && | |
472 | printf " \r\n" >>one && | |
473 | git add one && | |
474 | printf "d\r\n" >>one && | |
475 | cp one expect && | |
476 | git diff -- one >patch && | |
477 | mv save-one one && | |
478 | ||
479 | git apply --ignore-space-change --whitespace=fix patch && | |
480 | test_cmp expect one | |
481 | ' | |
482 | ||
483 | test_expect_success 'CR-LF line endings && add line && text=auto' ' | |
484 | git config --unset core.whitespace && | |
485 | printf "a\r\n" >one && | |
486 | cp one save-one && | |
487 | git add one && | |
488 | printf "b\r\n" >>one && | |
489 | cp one expect && | |
490 | git diff -- one >patch && | |
491 | mv save-one one && | |
492 | echo "one text=auto" >.gitattributes && | |
493 | git apply patch && | |
494 | test_cmp expect one | |
495 | ' | |
496 | ||
497 | test_expect_success 'CR-LF line endings && change line && text=auto' ' | |
498 | printf "a\r\n" >one && | |
499 | cp one save-one && | |
500 | git add one && | |
501 | printf "b\r\n" >one && | |
502 | cp one expect && | |
503 | git diff -- one >patch && | |
504 | mv save-one one && | |
505 | echo "one text=auto" >.gitattributes && | |
506 | git apply patch && | |
507 | test_cmp expect one | |
508 | ' | |
509 | ||
510 | test_expect_success 'LF in repo, CRLF in worktree && change line && text=auto' ' | |
511 | printf "a\n" >one && | |
512 | git add one && | |
513 | printf "b\r\n" >one && | |
514 | git diff -- one >patch && | |
515 | printf "a\r\n" >one && | |
516 | echo "one text=auto" >.gitattributes && | |
517 | git -c core.eol=CRLF apply patch && | |
518 | printf "b\r\n" >expect && | |
519 | test_cmp expect one | |
520 | ' | |
521 | ||
522 | test_expect_success 'whitespace=fix to expand' ' | |
523 | qz_to_tab_space >preimage <<-\EOF && | |
524 | QQa | |
525 | QQb | |
526 | QQc | |
527 | ZZZZZZZZZZZZZZZZd | |
528 | QQe | |
529 | QQf | |
530 | QQg | |
531 | EOF | |
532 | qz_to_tab_space >patch <<-\EOF && | |
533 | diff --git a/preimage b/preimage | |
534 | --- a/preimage | |
535 | +++ b/preimage | |
536 | @@ -1,7 +1,6 @@ | |
537 | QQa | |
538 | QQb | |
539 | QQc | |
540 | -QQd | |
541 | QQe | |
542 | QQf | |
543 | QQg | |
544 | EOF | |
545 | git -c core.whitespace=tab-in-indent apply --whitespace=fix patch | |
546 | ' | |
547 | ||
548 | test_expect_success 'whitespace check skipped for excluded paths' ' | |
549 | git config core.whitespace blank-at-eol && | |
550 | >used && | |
551 | >unused && | |
552 | git add used unused && | |
553 | echo "used" >used && | |
554 | echo "unused " >unused && | |
555 | git diff-files -p used unused >patch && | |
556 | git apply --include=used --stat --whitespace=error <patch | |
557 | ' | |
558 | ||
559 | test_done |